/*
 * Copyright 2016 Miroslav Janíček
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.sandius.rembulan.compiler.ir;

import java.util.Objects;

public class UnOp extends BodyNode {

	public enum Op {
		UNM,
		BNOT,
		NOT,
		LEN
	}

	private final Op op;
	private final Val dest;
	private final Val arg;

	public UnOp(Op op, Val dest, Val arg) {
		this.op = Objects.requireNonNull(op);
		this.dest = Objects.requireNonNull(dest);
		this.arg = Objects.requireNonNull(arg);
	}

	public Op op() {
		return op;
	}

	public Val dest() {
		return dest;
	}

	public Val arg() {
		return arg;
	}

	@Override
	public void accept(IRVisitor visitor) {
		visitor.visit(this);
	}

}
